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基于光擦除和双光束耦合的基本原理 ,提出了一种多级光探测的方法。用带导模型和耦合波方程建立了理论公式。用三块Ce∶KNSBN晶体和He Ne激光进行了实验演示。理论分析与实验研究均表明所提出的方法是可行的。
Based on the principle of optical erasure and dual beam coupling, a multi-level optical detection method is proposed. The theoretical formula is established by the guided model and the coupled wave equation. Experiments with three Ce: KNSBN crystals and He Ne laser were performed. Both theoretical analysis and experimental studies show that the proposed method is feasible.